メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.902379915416 35.2452408926199, 136.902072177609 35.2452607160639, 136.900924286971 35.245260113464, 136.900922143184 35.2449397536437, 136.900761492081 35.2449372190629, 136.900799394356 35.2446172967684, 136.900546641322 35.2449370300921, 136.900389210165 35.2448884458515, 136.90058893898 35.2445926807151, 136.900722015973 35.2441838805247, 136.901842094836 35.2442176657193, 136.901842979936 35.2442225263195, 136.902152309443 35.2448561684409, 136.902379915416 35.2452408926199)) ^^http://www.opengis.net/ont/geosparql#wktLiteral